-3x+9y =18
add 3x to each side
9y = 3x+18
divide by 9
y = 3/9 x +18/9
y = 1/3 x+2
the slope is 1/3
the y intercept is 2
let y=0 to find the x intercept
-3x=18
divide by -3
x=-6
the x intercept is -6
